Vol. 1 — Fighting Book Bans Across Time 

Fifteen-year-old Milo Parker inherits his grandmother's mysterious bookmark and her secret mission: protecting literature as a Guardian who can travel into the bodies of those fighting censorship throughout history. From Nazi Germany to Mao's China, Milo witnesses the power of book banning firsthand — then returns home to find his own Midwestern town falling under the control of the Lancasters, time-traveling "Erasers" who don't just ban books, they erase all evidence that certain ideas ever existed.
Kindle · Paperback · Audiobook →  https://mybook.to/FightingBookBans 

Vol. 2 — The Unwritten World 

Co-Guardian Zoe Williams can hear the voices of writers history tried to silence — but lately, she's been getting warnings from people who don't exist yet. When HarmonyAI promises to "optimize" communication by filtering thoughts and removing "harmful" content, Zoe sees where algorithmic censorship leads: a future where neural interfaces don't just read minds, they guide them. Armed with typewriters and analog resistance, she must unlock a countermeasure hidden by Milo's grandmother — one that requires connecting with the unwritten future.
Kindle · Paperback · Audiobook →  https://mybook.to/UnwrittenWorld  

Vol. 3 — Fighting Deepfakes Across Time 

A new generation of Guardians faces the most insidious threat yet: HistoryLens AI, which doesn't erase history — it rewrites it. When Grace, Carlos, Alex, and Jasmine discover that authentic stories of oppression are being sanitized into tales of cooperation and compliance, they must race to preserve the truth before deepfakes steal the past and control the future.
Kindle · Paperback · Audiobook →  https://mybook.to/FightingDeepfakes  

Vol. 4 — The Donroe Doctrine 

When U.S. forces capture Venezuelan President Maduro and the "Donroe Doctrine" is declared, the bookmarks burn with a weight Milo and Zoe have never felt before. The amber bookmark pulls Milo through seven decades of American intervention — from CIA operations in Iran to the fall of Allende's Chile — each witness revealing another piece of Heritage Clarity, a three-generation conspiracy to erase American interventionism from American memory. The Guardians expose it to the world. Congressional hearings begin. But as one adversary warns: "The pattern doesn't care if people see it. It just keeps going."
Kindle · Paperback · Audiobook →  https://mybook.to/DonroeDoctrine 

Vol. 5 — When Empire Comes Home 

One month after the Heritage Clarity exposure, an ancient Maya artifact dormant for five centuries suddenly awakens — and it recognizes what's coming. When a massive federal immigration operation descends on Minneapolis, Milo and Zoe are pulled to opposite ends of the crisis: Zoe trapped with detained families in a standoff, Milo forced to witness processing operations at the Texas border. The obsidian witness was created to anchor Guardians to moments of civilizational fracture. Now it won't release them until the moment completes. When empire comes home, what does it mean to witness — and is witnessing enough?
Kindle · Paperback · Audiobook →  https://mybook.to/EmpireComesHome 

[Kindle $6.99] [Paperback $14.99]
[Audiobook — Audible · Apple Books · Amazon]

Vol. 1 — Dawn of Civilizations 

Cuchu dreams of ancient cities that textbooks insist never existed. Matias dismisses history as "dead people's problems." When their Seattle high school faces its first federal "compliance review" — systematic censorship of archaeological evidence — these unlikely partners discover that some artifacts can carry witnesses across time. Their first journey takes them to Caral, Peru (3500 BCE), Poverty Point, Louisiana (3400 BCE), and Uruk, Mesopotamia (3200 BCE) — proving that sophisticated urban planning, international trade, and literacy emerged simultaneously across all continents.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/DawnOfCivilizations

Vol. 2 — Builders of Monuments 

With guidance from Indigenous Studies professor Dr. Crow Feather, Cuchu and Matias learn that witness responsibilities extend beyond curiosity to include cultural sovereignty and community consent. Their second journey documents San Agustín, Colombia (2000 BCE), Spiro Mounds, Oklahoma (2000 BCE), and Stonehenge, England (2500 BCE) — as Heritage Foundation 2.0 reveals it can alter search results and suppress archaeological evidence in real time.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/BuildersOfMonuments

Vol. 3 — Bronze Age Networks 

Federal legislation now criminalizes teaching pre-Columbian achievements. Cuchu and Matias coordinate with underground educator networks across three countries while their third temporal mission documents ancient globalization — Chavín de Huántar, Peru (1200 BCE), early Cahokia, Illinois (1200 BCE), and Knossos, Crete (1450 BCE) — proving that international trade and cooperative governance operated at continental scales centuries before European maritime expansion.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/BronzeAgeNetworks

Vol. 4 — Iron Age Innovations 

Heritage Foundation 2.0's opposition evolves beyond politics into something darker: consciousness manipulation that affects memory and motivation, digital platforms that alter content in real time. Their journey to Paracas, Peru (500 BCE), the Adena Culture, Ohio (500 BCE), and the Nok Culture, Nigeria (500 BCE) reveals global technological leadership — while traditional knowledge becomes the only defense against attacks that target the neurological foundations of community cooperation.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/IronAgeInnovations

Vol. 5 — Classical Flourishing 

Eight months in, Cuchu and Matias are no longer uncertain teenagers — they lead resistance networks spanning twelve countries. But when Heritage Foundation 2.0 begins literally erasing people's memories of why they wanted educational freedom, everything changes. Their journey to Teotihuacán, Mexico (150 CE) and Hopewell, Ohio (200 BCE) teaches them governance under pressure and the resilience of communities that maintain cooperation across vast distances without centralized authority.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/ClassicalFlourishing

Vol. 6 — Medieval Connections 

Reality itself has become a battlefield. Heritage Foundation 2.0's consciousness modification now erases memories of multicultural cooperation globally. Cuchu and Matias travel to Chichen Itza (900 CE), Cahokia at its peak (1050 CE), and Great Zimbabwe (1200 CE) — civilizations at their political and cultural heights — as supernatural warfare seeks to erase precisely these moments of human achievement from collective memory forever.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/MedievalConnections

Vol. 7 — Threshold of Change 

The supernatural war reaches peak intensity. Heritage Foundation 2.0 now rewrites digital environments in real time and attacks ancestral knowledge networks directly. Their final learning journey — Machu Picchu (1470 CE), Mesa Verde (1400 CE), Angkor Wat (1400 CE) — takes them to human achievement at its height, just before European disruption. The ancient civilizations reveal what colonization destroyed rather than improved, and what Cuchu and Matias must be prepared to sacrifice.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/ThresholdofChange

Vol. 8 — Voices in the Storm 

The final confrontation. Heritage Foundation 2.0 now threatens complete reality replacement and global consciousness rewriting. Cuchu and Matias face the ultimate choice their entire journey has prepared them for: use temporal power for individual victory, or accept cosmic responsibility that prioritizes community protection over personal survival. Their last journey — Tenochtitlan (1519 CE), Duwamish villages in the Seattle area (1590 CE), and Benin City, Nigeria (1590 CE) — witnesses the threshold between sophisticated Indigenous civilizations and the European disruption that reshaped the world. The ending is theirs to choose.
Kindle $6.99 · Paperback $14.99 · Audiobook → https://mybook.to/VoicesintheStorm

Both series can be used in middle school and high school classrooms across the US. Educator guides, discussion questions, and curriculum connections available. Ricardo is available for author visits — virtual and in-person. 

Percy Jackson · A Wrinkle in Time · The Giver · Magnus Chase · The City of Ember